6 DEPARTMENT OF AGRICULTURE BULS. 401-425. 



Department Bulletin No. 416. — -The Red Spider on Cotton: Page. 



Zonal distribution in the Southeast 2 



Classification and synonymy 3 



Food plants 4 



Life-history summary 5' 



Description and habits 6 



Nature and extent of damage to cotton in the South 20 



Generations of the red spider 21 



Seasonal history 23 



Dispersion 27 



Climatic control 33 



Insect enemies of the red spider 34 



Apical swarming 58 



Remedial measures 59 



Summary and recommendations 67 



Bibliography 69 



Department Bulletin No. 417. — The Genus Calosoma: 



Introduction 1 



History of the genus Calosoma 3 



General seasonal history of species of the genus Calosoma 4 



Number of generations of Calosoma 6 



Food habits of adults and larvae of Calosoma 6 



Economic importance of the species of Calosoma 7 



Limits on increase of species of Calosoma 8- 



Experiment to determine the climbing habits of Calosoma larvae 9 



Natural enemies of Calosoma 10 



Methods of shipping Calosoma beetles 14 



Methods of rearing Calosoma beetles 14 



Classification of Calosoma 16 



General remarks 20 



Descriptions of 38 species of Calosoma with notes on seasonal history and 



habits 21 



Department Bulletin No. 418. — Western Yellow Pine in Oregon: 



Introduction 1 



Requirements 5^ 



Reproduction 6 



Effect of fires 9 



Sources of injury other than fire 12 



Character of the stands 17 



Growth 23 



Characteristics of the wood 29 



Utilization of yellow-pine forests 30 



Logging and milling 32 



Planting .- 35 



Management of western yellow pine forests 36 



Appendix 43 



Department Bulletin No. 419. — The Grape Leaf-Folder: 



Introduction 1 



History 1 



Distribution 3 



Food plants 4 



Extent and character of the injury 5 



Description of the grape leaf-folder. 6 



